the mean of five numbers is 7 after adding one more number the mean still remains 7 what is the new number
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hello friend Answer will be 5
anmol3322:
solved this question and answer not a5
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7=sum of 5 numbers/5
Sum of 5 numbers = 35
Now new number add then still mean is also 7
So 7= sum of 6 numbers/6
Sum of 6 numbers = 42
New number is 42-35 = 7
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